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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05081063
Other study ID # 5210170
Secondary ID
Status Completed
Phase Phase 3
First received
Last updated
Start date March 5, 2022
Est. completion date May 15, 2023

Study information

Verified date February 2024
Source Loma Linda University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Adult male patients brought to the emergency department as Level A trauma activations who are receiving emergency blood transfusion. Objectives 1. Evaluate PRBC equivalents transfused in each group in the first 24 hours (Primary outcome) 2. Evaluate total transfusion in each group in the first 24 hours (Secondary Outcome) including breakdown by FFP equivalents, platelet units, and cryoprecipitate 3. Evaluate 6 hour, 24 hour, and hospital mortality (Secondary Outcome) 4. Evaluate ICU outcomes in each group


Description:

Based on the results from Cotton et al, median transfusion in the component therapy group was 6 PRBC in the first 24 hours and 4 PRBC equivalents in the whole blood group. The standard deviation (estimated from the interquartile range) was approximately 4. Thus with an expectation of alpha = 0.05 and expected power of 90% to detect a similar 2 unit difference in transfusion volume, a sample size of 190 should be sufficient; thus projected sample size of 200 should be more than adequate. Age range will be 18 years and older, and only males will be included in the study. Expected racial/ethnic distribution will be approximately 60% white, 15% black, 8% Asian, and 18% other race. No actual recruitment will be performed; rather all qualifying patients will be included. Consent waiver is being requested. b. Objectives 1. Evaluate PRBC equivalents transfused in each group in the first 24 hours (Primary outcome) 2. Evaluate total transfusion in each group in the first 24 hours (Secondary Outcome) including breakdown by FFP equivalents, platelet units, and cryoprecipitate 3. Evaluate 6 hour, 24 hour, and hospital mortality (Secondary Outcome) 4. Evaluate ICU outcomes in each group: 1. ICU length of stay 2. Ventilator days 3. SOFA score on day of ICU discharge 4. Presence of ARDS 5. Presence of TRALI 6. Presence of DVT/PE 7. Necessity for Dialysis 8. Necessity for Tracheostomy 9. Evaluate viscoelastic testing parameters in both groups when sent on arrival in ICU 1. Percentage of patients with EXTEM clotting time > 80 sec 2. Percentage of patients with EXTEM amplitude at 10 min < 40mm and FIBTEM amplitude at 10 min ≤ 10mm 3. Percentage of patients with EXTEM amplitude at 10 min < 40mm and FIBTEM amplitude at 10 min > 10mm 4. Percentage of patients with maximum thrombolysis > 15% 5. Interval analyses to be performed after 6 and 12 months with provision to continue the study out to 24 months. 1. Stopping rule: A statistically significant difference in hospital mortality at 6 months or 12 months 1. If in favor of LTOWB, consideration of trial termination and making LTOWB the primary standard of care for all trauma patients receiving emergency transfusion except for child-bearing age females (unless Rh immunoglobulin can be administered) 2. If in favor of component therapy, consideration of trial termination and making component therapy the primary standard care for all trauma patients receiving emergency transfusion


Recruitment information / eligibility

Status Completed
Enrollment 201
Est. completion date May 15, 2023
Est. primary completion date May 15, 2023
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion Criteria: - all adult male patients brought into the emergency department as LEVEL A trauma activations who are receiving emergency blood transfusions Exclusion Criteria: - Female patients (specifically excluded due to risk of alloimmunization of Rh-negative female patients of childbearing age against Rh-positive blood) - children - prisoners - all patients classified as dead upon arrival to the trauma bay

Study Design


Intervention

Combination Product:
Routine labs
Routine labs will be performed with CBC, BMP, Fox screen, ROTEM viscoelastic test, PT/INR, PTT and venous lactate for standard of care for all patients.

Locations

Country Name City State
United States Loma Linda University Health Loma Linda California

Sponsors (1)

Lead Sponsor Collaborator
Loma Linda University

Country where clinical trial is conducted

United States, 

References & Publications (5)

Cotton BA, Podbielski J, Camp E, Welch T, del Junco D, Bai Y, Hobbs R, Scroggins J, Hartwell B, Kozar RA, Wade CE, Holcomb JB; Early Whole Blood Investigators. A randomized controlled pilot trial of modified whole blood versus component therapy in severely injured patients requiring large volume transfusions. Ann Surg. 2013 Oct;258(4):527-32; discussion 532-3. doi: 10.1097/SLA.0b013e3182a4ffa0. Erratum In: Ann Surg. 2014 Jul;260(1):178. — View Citation

Hanna K, Bible L, Chehab M, Asmar S, Douglas M, Ditillo M, Castanon L, Tang A, Joseph B. Nationwide analysis of whole blood hemostatic resuscitation in civilian trauma. J Trauma Acute Care Surg. 2020 Aug;89(2):329-335. doi: 10.1097/TA.0000000000002753. — View Citation

Murphy C, Silva de Leonardi N. The use of low-titer group O whole blood is independently associated with improved survival compared to component therapy in adults with severe traumatic hemorrhage. Transfusion. 2021 Apr;61(4):1341-1342. doi: 10.1111/trf.16266. No abstract available. — View Citation

Seheult JN, Anto V, Alarcon LH, Sperry JL, Triulzi DJ, Yazer MH. Clinical outcomes among low-titer group O whole blood recipients compared to recipients of conventional components in civilian trauma resuscitation. Transfusion. 2018 Aug;58(8):1838-1845. doi: 10.1111/trf.14779. Epub 2018 Aug 30. — View Citation

Williams J, Merutka N, Meyer D, Bai Y, Prater S, Cabrera R, Holcomb JB, Wade CE, Love JD, Cotton BA. Safety profile and impact of low-titer group O whole blood for emergency use in trauma. J Trauma Acute Care Surg. 2020 Jan;88(1):87-93. doi: 10.1097/TA.0000000000002498. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary pRBC equivalents transfused assessment of pRBC equivalents transfused in each arm, an increase in HGB by 1g/dl per unit transfused will be considered successful
A blood draw of 5ml will be obtained and tested to assess HGB level. An increase in HGB by 1g/dl per unit transfused will be considered a successful result.
24 hours post ED admission
Secondary Mortality Assessment of mortality
This is a composite measurement which includes the following in order to be assessed as pulseless with no respiratory drive or brain death:
there is no evidence of arousal or awareness to maximal external stimuli
pupils are fixed in a midsized or dilated position and non reactive to light
corneal, oculocephalic and oculovestibular reflexes are absent
There is no facial movement to noxious stimuli
the gag reflex is absent to bilateral posterior pharyngeal stimuli
the cough reflex is absent to deep tracheal suctioning
there is no brain mediated motor response to noxious stimuli of the limbs
spontaneous respirations are not observed when apnea test targets reach pH <7.30 and PaCO2 >60mmhg
Change between ED admission date and 24 hours post discharge
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